CVE-2026-86723

High

Description

AVideo through c3edcc274c389816d434acadac07ee78eaf330c1 contains an authentication bypass vulnerability in LoginControl::verifyChallenge() that uses loose comparison (==) instead of strict comparison (===) against unset session values. Attackers with only a password can submit an empty request to verifyChallenge.json.php to bypass PGP two-factor authentication and gain full authenticated access.

SeverityHigh

CVSS8.1

Exploit probability—

ProductAVideo

PublishedSep 8, 2026

First seenSep 8, 2026

Weakness typeCWE-287Improper authentication

How to fix

Vendor advisories

github.com/WWBN/AVideo/security/advisories/GHSA-vmpj-f3mf-q4j2

Affected products

Product	Affected versions	Fixed in
WWBN AVideo	v ≤ c3edcc274c389816d434acadac07ee78eaf330c1	—

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